T4i Exhaust Manifold for 6.7 Cummins 2007.5-2018 | 5301441

T4i 2Pc Cummins Exhaust Manifold for 6.7 Cummins 2007.5-2018

OEM Stock Replacement Manifold (OEM HE351 Mount)

Experience unmatched performance with the T4i Exhaust Manifold for 6.7 Cummins Trucks from 2007.5 to 2018. Crafted with precision in the USA by our expert engineering team, this manifold is sure to exceed your expectations!

Key Features:

• Fluid Dynamic Tested for optimal performance
• Achieves a 22% increase in flow compared to stock manifolds
• Innovative 2-piece design with expansion joints to prevent cracking
• Promotes lower Exhaust Gas Temperatures (EGTs), especially beneficial for the rear cylinders
• Enhances turbo spool-up and delivers a Dyno Proven gain of 15 horsepower
• Stunning appearance with a durable black high-temperature coating
• Designed for perfect fitment, including drilled and tapped ports for pyrometer and pressure fittings
• Arrives fully assembled, pressure-tested, and ready for installation
• Proven to last 3 times longer than conventional single-piece manifold

Our 2 Piece design has expansion joints.

This is a stock T4i flange size, fit's OEM Turbo.

Stock manifolds are known to shrink significantly, causing manifold-cracking, gasket problems, and exhaust flow problems created by exhaust port misalignment. Our 2 Piece Manifold, on the other hand, allows manifold to expand and contract with heat, eliminating warping and cracking to the manifold, eliminating the dreaded manifold shrinkage.

Don't make the mistake of a single piece stainless exhaust manifold, ever again, they all crack.  Our 2-Piece 6.7 Manifold lasts 3x longer.

Replaces Cummins #: 5301441

Replaces Part #'s: 5135788AB, 5135788AC,68027070AA, 68027070AB, 68210184AB, 68210184AA

**Does not fit 2013 -2018 Cab/Chassis Models